Pith Number

pith:OMP6OUBR

pith:2021:OMP6OUBRDY67YKRBQLEXML337U

not attested not anchored not stored refs pending

A flapping feathered wing-powered aerial vehicle

Aiqiu Wei, Yu Cai, Zhenhong Zhang

arxiv:2102.12687 v1 · 2021-02-25 · eess.SY · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMP6OUBRDY67YKRBQLEXML337U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:18:22.893980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731fe750311e3dfc2a2182c9762f7bfd3dc161e08715e3bd1ce0e9f800bc6ca8

Aliases

arxiv: 2102.12687 · arxiv_version: 2102.12687v1 · doi: 10.48550/arxiv.2102.12687 · pith_short_12: OMP6OUBRDY67 · pith_short_16: OMP6OUBRDY67YKRB · pith_short_8: OMP6OUBR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OMP6OUBRDY67YKRBQLEXML337U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 731fe750311e3dfc2a2182c9762f7bfd3dc161e08715e3bd1ce0e9f800bc6ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065ecbb7cb8d5d73151d1b977ba19f002b0eb5ed9b8a21848cf23655970c02d3",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-02-25T05:06:46Z",
    "title_canon_sha256": "70766159af07a1ce3b3cfa10436a1bc9eed990a3606b336702a400a38f18ba3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12687",
    "kind": "arxiv",
    "version": 1
  }
}